20282+3024 HJ 1517

 
 
20h 28m 15.81s +30 24' 05.9" P.A. 105 sep 13.1 mag 10.94,11.24 Sp F0
 
 
Coord 2000
20282+3024
Discov num
HJ 1517
Comp
Coord arcsec 2000
20 28 15.81 +30 24 05.9
Date first
1828
Date last
2018
Obs
15
Pa first
104
Pa last
105
P.A. Now (θ)
105°
Sep first
6.5
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
10.94
Mag sec
11.24
delta mag (ΔM)
0.3
Spectral class
F0 (yellow-white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
+001
Sec motion dec
-001
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.7
Precise sep
13.1
Constellation
Cygnus
Tycho2
2685-01775-1
Gaia DR2
95671875456
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20282+3024 HJ 1517 1999 7 105 12.8 10.94 11.24 F0 D 202815.81+302405.9
20282+3024 HJ 1517 2002 9 105 12.7 10.94 11.24 F0 D 202815.81+302405.9
20282+3024 HJ 1517 2010 10 104 12.0 10.94 11.24 F0 202815.81+302405.9
20282+3024 HJ 1517 2015 10 105 12.7 10.94 11.24 F0 202815.81+302405.9

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